{"product_id":"trane-12-5-ton-commercial-gas-electric-packaged-unit-foundation-series-r454b-208-230v-3-phase","title":"Trane 12.5 Ton 140,000 BTU Commercial Gas\/Electric Packaged Unit | 14.0 IEER | R-454B | 208\/230V 3-Phase | Foundation Series | Single Stage","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eTrane Foundation Series 12.5 Ton Commercial Gas\/Electric Packaged Unit — 208\/230V 3-Phase Maximum Capacity for the Largest Light Commercial Buildings\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe Trane Foundation Series 12.5-ton unit on 208\/230V 3-phase power is the top of the lineup — the specification choice when the building is large, the load demands maximum tonnage, and the electrical system runs standard commercial voltage. At 140,000 BTU, this gas\/electric rooftop packaged unit is engineered for large-format retail, big-box anchors, large houses of worship, multi-tenant commercial strips, school buildings, and any high-load commercial application where a single rooftop unit needs to carry the heaviest thermal burden a light commercial building can generate. When capacity has to be at the ceiling and the building runs 208\/230V power, this is the unit that closes the specification.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003e14.0 IEER — Code-Compliant Efficiency at Maximum Light Commercial Tonnage\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eAt 12.5-ton capacity, the Foundation Series delivers 14.0 IEER — meeting commercial energy code requirements at the highest tonnage tier in the lineup. The step from 14.6 IEER at 10 tons to 14.0 IEER at 12.5 tons is consistent with commercial efficiency standards at this capacity level and reflects the engineering realities of delivering maximum tonnage output through a single-stage gas\/electric rooftop package. For building owners and facility managers, 14.0 IEER at 12.5 tons still sits comfortably above minimum energy code thresholds in most U.S. jurisdictions — and at 140,000 BTU of output, the efficiency-per-dollar calculation remains strongly in favor of this unit versus running multiple smaller packaged units to cover the same load.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003e140,000 BTU — Precision-Rated Output at 12.5-Ton Scale\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eAt 140,000 BTU rated cooling output, this unit delivers real-world capacity that covers the thermal demands of large commercial floor plates — typically in the range of 4,000 to 5,500 square feet depending on building envelope, occupancy density, internal heat loads, and local climate. For facilities teams and mechanical engineers doing load calculations, the 140,000 BTU rated output — not the nominal 12.5-ton designation — is the number that matters for accurate equipment selection and energy modeling.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eR-454B Refrigerant — Long-Term Protection at the Highest Capacity Tier\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe buildings that specify 12.5-ton rooftop equipment on 208\/230V power are substantial commercial facilities built for decades of continuous operation. A refrigerant retrofit at this scale and capacity mid-lifecycle — recovery, component replacement, system flush, recharge, and recommissioning on a 12.5-ton commercial unit — represents significant cost, extended downtime, and operational disruption that well-managed facilities actively work to avoid. R-454B, specified from the factory on this unit, eliminates that risk entirely. Full compliance with current and upcoming refrigerant regulations is built in from day one, across the complete service life of the equipment.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003e208\/230V 3-Phase — Maximum Capacity on Standard Commercial Voltage\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe 208\/230V configuration at 12.5-ton capacity is the specification that covers the largest group of existing large commercial buildings without requiring electrical infrastructure investment. Many large retail centers, institutional facilities, and multi-tenant commercial properties — particularly those built before widespread 460V adoption in commercial construction — run 208\/230V 3-phase as their standard power supply. This unit delivers maximum Foundation Series tonnage directly into that existing infrastructure, with no step-up transformers, no panel upgrades, and no electrical modification costs standing between the building and the capacity it needs.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eAll-In-One Gas\/Electric — Maximum Consolidation at 12.5-Ton Scale\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eAt 12.5 tons, the value of a single factory-assembled gas\/electric rooftop package reaches its peak. One unit replaces what could otherwise be a separate gas heating plant, a standalone cooling system, dual refrigerant circuits, split electrical connections, and two service relationships — all with the engineering complexity, permitting scope, and long-term maintenance overhead that multi-system mechanical designs carry. For contractors managing large commercial mechanical scopes, this consolidation reduces project risk at every phase. For building owners, it simplifies facility management for the life of the building.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eSingle-Stage Operation — Predictable Performance at Maximum Tonnage\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eSingle-stage control at 12.5-ton capacity keeps the system clean and the service profile predictable at the highest load tier in the Foundation Series lineup. At maximum tonnage, diagnostic complexity is at its most expensive — longer service windows, specialized technicians, higher parts exposure per call, and maximum downtime impact when the building is fully dependent on a single rooftop unit for climate control. Single-stage design eliminates unnecessary control complexity without sacrificing any of the high-output performance the building demands, keeping long-term service costs as manageable at 12.5 tons as they are at 7.5.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eWhy This Unit Gets Specified\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eMaximum Foundation Series capacity — 12.5 ton \/ 140,000 BTU on standard 208\/230V commercial voltage\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e14.0 IEER meets commercial energy code at the highest tonnage tier in the lineup\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e208\/230V 3-phase compatibility covers the largest installed base of existing large commercial buildings\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eR-454B refrigerant eliminates mid-lifecycle retrofit risk across the full equipment service life\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSingle rooftop package consolidates heating and cooling at maximum light commercial scale\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eEliminates separate heating plant, dual-system controls, and split service responsibility\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSingle-stage operation keeps long-term service costs predictable at maximum tonnage\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eTrane Foundation Series engineering and full factory warranty at the top of the capacity range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eSpecifications at a Glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"overflow-x-auto w-full px-2 mb-6\"\u003e\n\u003ctable class=\"min-w-full border-collapse text-sm leading-[1.7] whitespace-normal\"\u003e\n\u003cthead class=\"text-left\"\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\" class=\"text-text-100 border-b-0.5 border-[hsl(var(--border-300)\/0.6)] py-2 pr-4 align-top font-bold\"\u003eSpec\u003c\/th\u003e\n\u003cth scope=\"col\" class=\"text-text-100 border-b-0.5 border-[hsl(var(--border-300)\/0.6)] py-2 pr-4 align-top font-bold\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eCapacity\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e12.5 Ton \/ 140,000 BTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eIEER\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e14.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eRefrigerant\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eR-454B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eVoltage\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e208\/230V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003ePhase\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e3-Phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eHeating\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eGas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eCooling\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eElectric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eStages\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eSingle Stage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eSeries\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eFoundation Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Trane","offers":[{"title":"Default Title","offer_id":55231022203171,"sku":"GDK150A3EMA","price":18146.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/1171\/5363\/files\/TraneGDK_9e5fd715-ae92-4ad3-860d-1ac9ce180485.png?v=1781331538","url":"https:\/\/www.acunitsforless.com\/products\/trane-12-5-ton-commercial-gas-electric-packaged-unit-foundation-series-r454b-208-230v-3-phase","provider":"acunitsforless.com","version":"1.0","type":"link"}